2. Another calculatorhttp://www.degreedays.net/
Description: Fahrenheit-based cooling degree days for a base temperature of 50F
Source: www.degreedays.net (using temperature data from www.wunderground.com)
Accuracy: Estimates were made to account for missing data: the "% Estimated" column shows how much each figure was affected (0% is best, 100% is worst)
Station: University District, Seattle, WA (122.30W,47.65N)
Station ID: KWASEATT109